Finding the Fourth Proportional to 75,697,541.13, 113,544,682.16 and 21,108,673.29
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Solution
The fourth proportional to 75,697,541.13, 113,544,682.16 and 21,108,673.29 is: 31,662,555.53
Step by Step Solution
- Step 1: Write the proportion equation
75,697,541.13 : 113,544,682.16 = 21,108,673.29 : x - Step 2: Convert to fraction form
75,697,541.13/113,544,682.16 = 21,108,673.29/x - Step 3: Cross multiply
75,697,541.13x = 113,544,682.16 × 21,108,673.29 - Step 4: Simplify right side
75,697,541.13x = 2,396,777,599,426,788 - Step 5: Solve for x
x = 2,396,777,599,426,788/75,697,541.13 - Step 6: Final answer
x = 31,662,555.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.